Today
Expect partly cloudy. Daytime high +88°, overnight low +72°. Wind gusts reach 6 mph. No rain expected.
Weather in Lang Son
Vietnam · Tinh Lang Son · 21.8526, 106.7610
Today Now 3:56 AM
+72° Mostly cloudy
Hourly forecast
Today10/17
Temperature°F
Cloudiness
Precipitation
Windmph
Wind gusts
Humidity
PressureinHg
Dew point°F
Visibilitymi
UV index
Forecast in words
Tomorrow
Tomorrow partly cloudy: daytime +90°, nighttime +72°, weather holds steady.
Week
This week temperatures range from +70° to +90°. Weekly maximum — +90° (Sun). Coldest at night — Tue, +70°. Rain on Fri. It cools down by the end of the week.
Week vs norm
- Today 10/17 +88° +9° usually +78°
- Tomorrow 10/18 +90° +11° usually +78°
- Mon 10/19 +90° +12° usually +78°
- Tue 10/20 +88° +10° usually +78°
- Wed 10/21 +84° +7° usually +78°
- Thu 10/22 +90° +12° usually +77°
- Fri 10/23 +86° +9° usually +77°
- Sat 10/24 +72° −5° usually +77°
Difference between forecast daytime high and the 1991–2020 norm for this date.
This day, October 17
Today is one of the warmest such days in three decades.
- Heat record +88° 2006
- Cold record +61° 2017
- Most precipitation 1.0 in 2013
- Strongest gust 43 mph 2021
Records for this calendar date, 1991-2024, ERA5 reanalysis.
Climate in Lang Son
Today is about 10° warmer than usual for October.
| Month | Daytime / Nighttime | Average | Precipitation in |
|---|---|---|---|
| Jan | +61° / +50° | +56° | 2.1 |
| Feb | +65° / +54° | +59° | 1.8 |
| Mar | +71° / +60° | +65° | 3.0 |
| Apr | +78° / +67° | +72° | 3.8 |
| May | +83° / +71° | +76° | 8.5 |
| Jun | +85° / +75° | +79° | 10.0 |
| Jul | +86° / +75° | +80° | 10.2 |
| Aug | +85° / +74° | +79° | 10.9 |
| Sep | +83° / +71° | +76° | 7.0 |
| Oct | +79° / +66° | +72° | 3.3 |
| Nov | +73° / +59° | +65° | 2.0 |
| Dec | +64° / +51° | +58° | 1.7 |
Climatic normals for 1991–2025 years from ERA5-Land reanalysis.
Astronomical data
Sunrise / sunset
5:49 AM | 5:26 PM
Moon
11:32 AM | 10:20 PM
Moon phase
Waxing crescent 36%
Next solar eclipse
Calculating for this city…